Direct. beta.-lithiation of 2-alkoxy dienes: use in an asymmetric Diels-Alder reaction

…, JG Rico, D VanDerveer

文献索引：McDougal, Patrick G.; Rico, Joseph G.; VanDerveer, Don Journal of Organic Chemistry, 1986 , vol. 51, # 23 p. 4492 - 4494

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被引用次数: 37

摘要

(2 H, AB 9, JAB = 12.2 Hz, CO,CHZPh), 5.06 (2 H, S, CO2CHZPh). ... NMR (CD3OD) 6 4.05 (1 H, d, J = 3.6 Hz, HC (a/@)), 4.54 (1 H, d, J = 3.6 Hz, HC (alp)), 4.62 (1 H, d, J = 11.2 Hz, COCH,Phj, 4.82 (1 H, d, J = 11.2 Hz, COCH,Ph), 5.18 and 5.26 (2 H, AB q, JAB = 12.2 Hz, CO,CH,Ph). Anal. Calcd for CI8Hl9O5N: C, 65.6; H, 5.81; N, 4.25. Found: C, 65.8; H, 5.82; N, 4.19. @-Benzyl N-( tert -Butoxycarbonyl)-L-erythro -&( benzyl- 0xy)aspartate (8). ...